For the tallowing data (a) display the data in a scatter plot. (b calculate the

Question

For the tallowing data (a) display the data in a scatter plot. (b calculate the sample corelation coeicient f, and (e) make a conclusion about the type of corelation Use technology The eanings per share (in dollars) and the dridends per share (in dollars) for 6 medical supplies companies in a recent year are shown in the data set below Earnings per share x 273 5.09 458309 376 216 Dwidends per share y 055 237 148 082 107 022 (a) Choose the correct scatter plot below Use technology ?A. ??. ??. O D. in 3) (b) The correlation coeficient is Click to select your answer(s)

Explanation / Answer

Answer

(A) Graph option A is correct because it is showing all the data points in right sequence. All other options showing data incorrectly.

(B)We have the data for x and y values, entering this data into two columns of excel sheet and then using the excel function CORREL(array1,array2)

select x values as array 1 and y values as array 2, we get

CORREL(x values, y values) = 0.9686 (rounded to 4 decimals) or 0.97 (rounded to 2 decimals)

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